diff options
author | Michael S. Tsirkin <mst@redhat.com> | 2013-05-07 15:49:58 +0300 |
---|---|---|
committer | Anthony Liguori <aliguori@us.ibm.com> | 2013-05-08 15:54:21 -0500 |
commit | 62c96360ae7f2c7a8b029277fbb7cb082fdef7fd (patch) | |
tree | 2c81bda9d39304b51e3f17aa6c8578cfef9503d8 /hw | |
parent | d551d220c9574b00a318297b8654344e13e0efde (diff) | |
download | qemu-62c96360ae7f2c7a8b029277fbb7cb082fdef7fd.zip qemu-62c96360ae7f2c7a8b029277fbb7cb082fdef7fd.tar.gz qemu-62c96360ae7f2c7a8b029277fbb7cb082fdef7fd.tar.bz2 |
virtio-pci: fix level interrupts
mask notifiers are never called without msix,
so devices with backend masking like vhost don't work.
Call mask notifiers explicitly at
startup/cleanup to make it work.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw')
-rw-r--r-- | hw/virtio/virtio-pci.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index ec0066b..113fbd9 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -744,6 +744,7 @@ static int virtio_pci_set_guest_notifier(DeviceState *d, int n, bool assign, bool with_irqfd) { VirtIOPCIProxy *proxy = to_virtio_pci_proxy(d); + VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(proxy->vdev); VirtQueue *vq = virtio_get_queue(proxy->vdev, n); EventNotifier *notifier = virtio_queue_get_guest_notifier(vq); @@ -758,6 +759,10 @@ static int virtio_pci_set_guest_notifier(DeviceState *d, int n, bool assign, event_notifier_cleanup(notifier); } + if (!msix_enabled(&proxy->pci_dev) && vdc->guest_notifier_mask) { + vdc->guest_notifier_mask(proxy->vdev, n, !assign); + } + return 0; } |